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Police investigators walk into Fero's Bar and Grill in Denver on Wednesday, Oct. 17, 2012, where the bodies of a man and four woman were discovered after firefighters extinguished a fire at the bar early Wednesday morning. Police think the blaze was set to cover up their slayings. (AP Photo/Ed Andrieski)

Police investigators walk into Fero's Bar and Grill in Denver on Wednesday, Oct. 17, 2012, where the bodies of a man and four woman were discovered after firefighters extinguished a fire at the bar early Wednesday morning. Police think the blaze was set to cover up their slayings. (AP Photo/Ed Andrieski)